State Street SPDR Portfolio Aggregate Bond ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, July 8th, 2026
1 Day
4.36%
increased by 0.37%
1 Week
4.38%
increased by 0.39%
1 Month
4.43%
increased by 0.44%
Analysis last updated: Tuesday, July 7, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7886 | 4.23 | |
| 0.0917 | 5.11 | |
| 0.8567 | 40.48 | |
| -0.4043 | -2.24 | |
| 0.5264 | 2.04 | |
| -0.0146 | -0.11 | |
| -0.2353 | -2.13 | |
| 0.1675 | 1.63 | |
| 0.1739 | 1.53 | |
| -0.5281 | -4.11 | |
| 0.4311 | 4.58 |
Estimation Period:
May 30, 2007 to Jul 2, 2026
May 30, 2007 to Jul 2, 2026
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